GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256748baf31dafa43ad82ed5c0b4424f6a41d7a0a76dfae360eeaca402b480442bc
MD552e087dd95e9a144b18a12ebbc344dcd
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name748baf31dafa43ad82ed5c0b4424f6a41d7a0a76dfae360eeaca402b480442bc
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 748baf31dafa43ad82ed5c0b4424f6a41d7a0a76dfae360eeaca402b480442bc
  • MD5: 52e087dd95e9a144b18a12ebbc344dcd

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 748baf31dafa43ad"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "748baf31dafa43ad82ed5c0b4424f6a41d7a0a76dfae360eeaca402b480442bc"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 748baf31dafa43ad82ed5c0b4424f6a41d7a0a76dfae360eeaca402b480442bc # MD5 52e087dd95e9a144b18a12ebbc344dcd
TypeValueNote
sha256 748baf31dafa43ad82ed5c0b4424f6a41d7a0a76dfae360eeaca402b480442bc Sample:GandCrab
md5 52e087dd95e9a144b18a12ebbc344dcd Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi